Home Slickdeals 4-Ct Duncan Hines Mug Cakes (Caramel Flavored Brownie Mix) $1.70 w/ S&S... Slickdeals 4-Ct Duncan Hines Mug Cakes (Caramel Flavored Brownie Mix) $1.70 w/ S&S + Free Shipping w/ Prime or on $25+ By ARCOM - 6 March 2021 84 0 SHARE Facebook Twitter Go to the deal page: 4-Ct Duncan Hines Mug Cakes (Caramel Flavored Brownie Mix) $1.70 w/ S&S + Free Shipping w/ Prime or on $25+